Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020683 | Building block and building block kit | Youjun Xiong, Tao Bai | 2021-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020683 | Building block and building block kit | Youjun Xiong, Tao Bai | 2021-06-01 |